Added pre-commit config file (#1508)

* Added .pre-commit-config.yaml file

* Initial pass of pre-commit with its default rules and flake8

* Revert "Initial pass of pre-commit with its default rules and flake8"

This reverts commit 86d39e964e8122580d675f4639ae2d15b85c02e2.

* Made pre-commit only act on code files

* Added sql to the pre-commit file pattern

* Initial pass of pre-commit

tests/data/oracle/init-db/01-create-user.sql

@@ -2,4 +2,4 @@ CONNECT sys/oracle@XEPDB1 AS SYSDBA;
 
 CREATE USER geo_test IDENTIFIED BY geo_test QUOTA UNLIMITED ON USERS;
 
-GRANT CONNECT, RESOURCE, DBA TO geo_test;
+GRANT CONNECT, RESOURCE, DBA TO geo_test;